A mock term of the company google that is a derivative of gulag. It is often being used to describe google's censorship on their platforms such as YouTube and their other services. Censorship on google goes far as altering search results on google and banning certain links that don't fit their political narrative

Guy 1: Google just censored a link to some image-board
Guy 2: Google should just go ahead and change their name to goolag

Alternative spelling/name for Google, a play on words that means to suggest the Silicon Valley search company is something like the infamous Soviet camps where prisoners were worked and starved to death as part of one of the 20th century’s worst genocides.